CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Jun. 30, 2011	Sep. 30, 2010
Current assets:
Cash and cash equivalents	$ 446,981	$ 516,630
Restricted cash (Note 9)	7,212	24,503
Marketable securities	36,617	5,044
Accounts receivable, less allowances for doubtful accounts of $5,721 and $6,301	247,972	217,587
Acquired unbilled accounts receivable	914	7,412
Prepaid expenses and other current assets	79,339	70,466
Total current assets	819,035	841,642
Land, building and equipment, net	79,623	62,083
Marketable securities		28,322
Goodwill	2,318,555	2,077,943
Intangible assets, net	757,599	685,865
Other assets	75,375	73,844
Total assets	4,050,187	3,769,699
Current liabilities:
Current portion of long-term debt and capital leases	6,909	7,764
Contingent and deferred acquisition payments	34,712	2,131
Accounts payable	82,235	78,616
Accrued expenses and other current liabilities	157,632	151,621
Deferred revenue	183,455	142,340
Total current liabilities	464,943	382,472
Long-term portion of debt and capital leases	852,444	851,014
Deferred revenue, net of current portion	81,502	76,598
Deferred tax liability	73,966	63,731
Other liabilities	114,548	98,688
Total liabilities	1,587,403	1,472,503
Commitments and contingencies (Notes 5 and 18)
Stockholders' equity:
Series B preferred stock, $0.001 par value; 15,000 shares authorized; 3,562 shares issued and outstanding (liquidation preference $4,631)	4,631	4,631
Common stock, $0.001 par value; 560,000 shares authorized; 307,958 and 301,623 shares issued and 304,207 and 297,950 shares outstanding	308	302
Additional paid-in capital	2,681,024	2,581,901
Treasury stock, at cost (3,751 and 3,673 shares)	(16,788)	(16,788)
Accumulated other comprehensive income	31,617	8,505
Accumulated deficit	(238,008)	(281,355)
Total stockholders' equity	2,462,784	2,297,196
Total liabilities and stockholders' equity	$ 4,050,187	$ 3,769,699